1 /* 2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8026844 27 * @summary Test repeating subtractExact 28 * @library /testlibrary 29 * @compile SubExactIRepeatTest.java Verify.java 30 * @run main SubExactIRepeatTest 31 * 32 */ 33 34 import com.oracle.java.testlibrary.Utils; 35 import java.util.Random; 36 37 public class SubExactIRepeatTest { 38 public static void main(String[] args) { 39 runTest(new Verify.SubExactI()); 40 } 41 42 public static int nonExact(int x, int y, Verify.BinaryMethod method) { 43 int result = method.unchecked(x, y); 44 result += method.unchecked(x, y); 45 result += method.unchecked(x, y); 46 result += method.unchecked(x, y); 47 return result; 48 } 49 50 public static void runTest(Verify.BinaryMethod method) { 51 Random rnd = Utils.getRandomInstance(); 52 for (int i = 0; i < 50000; ++i) { 53 int x = Integer.MIN_VALUE + 10; 54 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); 55 56 int c = rnd.nextInt() / 2; 57 int d = rnd.nextInt() / 2; 58 59 int a = catchingExact(x, y, method); 60 61 if (a != 36) { 62 throw new RuntimeException("a != 36 : " + a); 63 } 64 65 int b = nonExact(c, d, method); 66 int n = exact(c, d, method); 67 68 69 if (n != b) { 70 throw new RuntimeException("n != b : " + n + " != " + b); 71 } 72 } 73 } 74 75 public static int exact(int x, int y, Verify.BinaryMethod method) { 76 int result = 0; 77 result += method.checkMethod(x, y); 78 result += method.checkMethod(x, y); 79 result += method.checkMethod(x, y); 80 result += method.checkMethod(x, y); 81 return result; 82 } 83 84 public static int catchingExact(int x, int y, Verify.BinaryMethod method) { 85 int result = 0; 86 try { 87 result += 5; 88 result = method.checkMethod(x, y); 89 } catch (ArithmeticException e) { 90 result += 1; 91 } 92 try { 93 result += 6; 94 95 result += method.checkMethod(x, y); 96 } catch (ArithmeticException e) { 97 result += 2; 98 } 99 try { 100 result += 7; 101 result += method.checkMethod(x, y); 102 } catch (ArithmeticException e) { 103 result += 3; 104 } 105 try { 106 result += 8; 107 result += method.checkMethod(x, y); 108 } catch (ArithmeticException e) { 109 result += 4; 110 } 111 return result; 112 } 113 }